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Cape Coral, FL Radon Levels

Check local Cape Coral radon levels and find certified testing and mitigation professionals to keep your home safe


Cape Coral, FL Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
County Lee County, FL
Zip Code 33904
Avg. User Level 6.70 pCi/L
User Tests 6

Florida's second-largest city by area in Lee County shows an average radon level of 5.75 pCi/L based on recent testing data. This reading exceeds the EPA action level of 4.0 pCi/L, indicating that homes across zip codes 33904, 33909, 33914, 33990, and 33991 may face elevated radon risk despite the typically low-radon coastal environment. Residents should prioritize professional testing and consider mitigation if levels exceed EPA recommendations.

6.70
pCi/L average
Above EPA Action Level

Based on 6 user-submitted radon tests for homes in Cape Coral, FL. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Cape Coral, FL Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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Cape Coral, FL Radon Levels

User-submitted radon test readings from homes in the Cape Coral area.

Radon LevelCityHome AgeFoundation
7 pCi/L Cape Coral, FL 21-50 Years No Basement/All Slab
4 pCi/L Cape Coral, FL 0-20 Years No Basement/All Slab
5 pCi/L Cape Coral, FL 0-20 Years No Basement/All Slab
7 pCi/L Cape Coral, FL 0-20 Years No Basement/All Slab

Have a radon test result for Cape Coral? Submit your reading to help other homeowners.

Radon FAQ for Cape Coral, FL

What is the average radon level in Cape Coral, FL?
Based on 6 user-submitted tests, the average radon level in Cape Coral is 6.70 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.
What EPA Radon Zone is Cape Coral in?
Cape Coral and the 33904 zip code are in Lee County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.
How much does radon mitigation cost in Cape Coral?
Radon mitigation in Cape Coral typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.
Should I test for radon if I'm buying a home in Cape Coral?
Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.

Most Active Radon Markets in Florida

Cities in Florida with the most user-submitted radon test data, ranked by number of submissions.

CityAvg User Radon LevelSubmissions
Ocala 8.06 pCi/L 17
Naples 7.08 pCi/L 12
Gainesville 7.09 pCi/L 11
Lakeland 9.83 pCi/L 6
Alachua 10.00 pCi/L 5
Bradenton 4.80 pCi/L 5
Bonita Springs 9.50 pCi/L 4
Cape Coral 5.75 pCi/L 4
Miami 5.25 pCi/L 4
North Port 5.25 pCi/L 4